milometer

例句：

1. 1.The car's odometer shows that it has traveled 500 miles.
   汽车的里程表显示它已经行驶了500英里。
2. 2. The engineer used the milometer to measure the distance between the two points.
   工程师使用里程表测量了两个点之间的距离。
3. 3. The milometer is a crucial tool for measuring the length of a journey.
   里程表是测量旅程长度的关键工具。